It is a binomial and the degree of the binomial is 3.
Step-by-step explanation:
x² - 9x³
- There are only 2 terms in the polynomial, so it is termed as binomial
- If a polynomial contains three terms, then it is trinomial
- If a polynomial has 4 or more than 4 terms then it is termed as polynomial.
- Degree of the polynomial can be found by observing the terms with the highest exponent or power on the variables.
- Here the degree of the polynomial is 3, since the highest power of the expression is 3.
